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Posted on Aug 14, 2009
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Same deal here.. just replaced the resistor... no dice!!

Started checking the fuses, but the panel above the glove box doesn't have a directory! Where is the fan motor fuse / breaker???

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  • chipdittrich Aug 14, 2009

    the hvac blower motor was working on and off sporadically. then quit working altogether. i replaced the final sending unit (hedgehog) since the symptoms fit the bill on the bimmerfest.com blog, but that didn't work. the hvac display lights up and works, and you can hear the compressor kick on when you engage the ac button, but no air will blow.

  • chipdittrich Aug 14, 2009

    the hvac blower motor was working on and off sporadically. then quit working altogether. i replaced the final sending unit (hedgehog) since the symptoms fit the bill on the bimmerfest.com blog, but that didn't work. the hvac display lights up and works, and you can hear the compressor kick on when you engage the ac button, but no air will blow.

  • Marvin
    Marvin May 11, 2010

    what fan?

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Marvin

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  • BMW Master 85,242 Answers
  • Posted on Aug 14, 2009
Marvin
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You don't mention is if you jumpered 12 volts to the HVAC blower fan connector to se it it runs, if not do so, u may just have a defective fan motor.

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    1. Does the Blower work on High (or #4) only? If so then it is not the Front Blower Motor or the Relay that is bad, but it is the Resistor which is located behind the Glove box. Follow step #a. below and take out the Glove Box to access. It has 3 to 4 wires going into it. The wiring path is: Switches to the Resistor and then to the Motor.
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